I don't think this has been mentioned but this could easily be a three way competition
Danger Den type 1/2 Swiftech type 3/8 Euro type 1/4 |
I agree. I would like to see how a traditional top end german style (10mm od tube low to med flow pump) would compare to the others.
If the performance is relativly close (2~4°c) to the others I would like to setup a system or two that way. But without an accurate test it is too much money to spend with just guess work. The only 2 changes I would make is probably use the C-Systems pump and a BIX for the rad, just for ease of construction in the systems I was thinking of. |
we should test each part at a time like
themal chill 120.2 vs airplex 240 alphacool xp vs cascade something like that |
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www.1acooling.de |
Doesn't seem very fair to restrict one type of system to a single manufacturer set kit while allowing the other type to pick and choose between different manufacturers. Also, BIX2 radiators aren't one type or the other really - they're made by a company in the Phillipines. If we're going to throw the idea of "premade kit" out of the window, why not MCW6002, Overvolted D4, Dtek Pro-120 Rad & Shroud, 1/2" tubing, or something of the like?
I'm interested to see a competition between a US manufacturer's set kit and a German manufacturer's set kit (Swiftech v. Alphacool or the like) or a competition between the "best of German products" and the "best of US products" but lets not mix those two concepts. |
maybe those interested could help pHaestus with the funding of these tests
think PayPal preferred phaestus@procooling.com hoping you (pH) received my July £10 |
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Ah. I have minimal interest in this "shooting match" However am interested in the development of test-beds It is this to which I donate, but each to his own. |
Les:
Your donations have been most appreciated. I started setting up some of the equipment today in fact (Fluke RTDs) and as soon as one more package arrives I can begin to experience the joys of GPIB configuration and labview. |
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doesnt the water transfer the heat faster with the pump on, than copper? |
thats how thin the base is for my block
http://www.hartware.net/media/reviews/370/coolduke.jpg |
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Aside from that, water-cooling basically comes down to how well the block and the radiator are working, and to some degree, how much heat the pump puts into the loop. Given water flow-rates above about 2LPM (0.5GPM), the thermal capacity of water ceases to be an issue of any real concern in the performance of a waterblock. What I would have liked to have seen was whether or not a top-end "German" waterblock at 0.25GPM can indeed outperform, or at the very least equally match, a top-end "US" waterblock that's running at 1.5GPM. If it can, then that's pretty much a conclusive decider in saying that US setups are inefficient and all the other blather that goes along with that side of the debate. If that's provable, then that pretty much means that we can all switch to 6mm ID tubing, throw away our powerful pump, and stick an all-brass C-systems pump with push-fittings (or an Eheim 1046 for the Germans), and forget about the current line of development being followed in USA/Australia. That, to me, would be more of a revolutionary ground-breaking shake-up and wake-up call to all the USA and Aussie block makers. I want someone to prove to me that the USA/Aussie developmental approach has gotten it all wrong. The closest thing I've yet seen is the Hydrocool Hydro-Stream HS-5 block (designed by a German engineer living here in Australia - but truly a "German" style block). For JoeC/Overclockers, at 0.3GPM the HS5 has a C/W of 0.139. For the Asetek Antarctica (White Water clone), it has a C/W of 0.118 at 1.5GPM. That's still a pretty handy lead for the "USA". Heck, extrapolating a bit of math with respect to pressure drop and holding pressure drop constant across both blocks, and the copper Asetek Antarctica holds a 0.015C/W lead over the Silver HS5. I want a German block to show me the error of my ways. I want to not use a strong pump to achieve the best possible performance. Quote:
[Edit: to fix incorrect units] |
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but i just want to know having a thick base, does it affect the performance with the same design, waterblock with thick base and waterblock with thin base, which is better, thanks |
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BTW nigelyuen, do you really have to quote my entire post to make a 3-line comment not particularly related to the bulk of my post? |
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Yes, I said "don't buy that German stuff" (it's just my personal opinion). But I didn't say "it's crap"...:rolleyes: As lots of other people, I think of german watercooling as a silent, good looking but not so well performing solution... And I'd liked to be proven wrong. CD :) |
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My numbers say it is physically impossible. Maybe with forced cavitation or the like. The only possible scenario is equal performance at all reasonable flowrates, even then, equal is a matter of measurement resolution. |
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have toyed with for several years however with water and temps 20-40c do not think can occur |
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For a practical example of what I refer to look at the Swifetch MCW5000-A performance curve. Near dead-flat above 1GPM. Sure it gets very slightly better, but not enough to ever warrant anyone's bother to chase for it, and certainly not with the extra pump heat that would be required to achieve it. So basically a performance curve like that, where the knee is at 0.25-0.5gpm, is achievable with an Eheim 1046 and 6mm ID tubing, and leads against all "US" blocks at least up until 2.0gpm is being fed to the "US" blocks. Now that would make me sit up and take notice (and throw the towel in). |
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Okay, let's be a little bit more nit-picky shall we? I would like to see a block ("wunder-kuhler"), that when coupled with an Eheim 1046, outperforms any other "US" block given whatever pump you care to throw at them, and for our "wunder-kuhler" itself does not achieve more than a 0.01C/W gain for a 100mm^2 sized die when couple with, say, a Danner Mag 3, effectively making it pointless for any heat load less than around 200W to ever consider sticking a stronger pump than an Eheim 1046 on it. I sure you knew the point I was getting at, but are probably just determined to make me jump through logical hoops for amusement factor I guess. |
Nit picky .yes
However was just a general point(re. knee) Not related to this ridiculous pissing contest |
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